PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81311Spacer,sleeve

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5365-00-037-7040 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-037-7040 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-037-7040. Primary manufacturer part number: 81311.
Features
  • Spacer,sleeve — FSC 5365
  • Body Inside Diameter: 0.1930 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Criticality Code Justification: SFTT
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Outside Diameter: 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-00-037-7040, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-037-7040
Primary Part Number81311
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Body Inside Diameter0.1930 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Criticality Code JustificationSFTT
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Body Outside Diameter0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-008-8308 INTERCHANGEABLE
Connector,receptacle,electrical
4920-00-870-52188-13-1-1 INTERCHANGEABLE
Adapter Kit,test
Celtech Corporation Div Use CAGE 65552 for All Orders
4720-00-990-167626603 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6145-01-469-999983008 INTERCHANGEABLE
Cable,special Purpose,electrical
General Cable Corporation Div Corporate
Cross-Reference Index
Part NumberManufacturer
81311 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
81311 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
81311 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5935-00-008-8308INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4920-00-870-5218INTERCHANGEABLE
ADAPTER KIT,TEST
8-13-1-1
4720-00-990-1676INTERCHANGEABLE
HOSE,PREFORMED
26603
6145-01-469-9999INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
83008

Frequently Asked Questions

What is NSN 5365-00-037-7040?

NSN 5365-00-037-7040 is a Spacer,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-037-7040?

NSN 5365-00-037-7040 has 3 cross-referenced part numbers: 81311 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 81311 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 81311 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 5365-00-037-7040?

There are 4 known substitutes for 5365-00-037-7040: 5935-00-008-8308, 4920-00-870-5218, 4720-00-990-1676 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81311?

Key specifications for 81311: Body Inside Diameter: 0.1930 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Criticality Code Justification: SFTT. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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